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Unit2SavingtheEarthTopic3Whatcanwedoathometoprotecttheenvironment?SectionADoyouknowhowthesekindsofpollutionaffectourenvir

onment?Whatshouldwedotoimproveourenvironment?Whatdotheymean?Areyouagreenerperson?WhichdayistheWorldEnvironmentDay?Canyou

sortthegarbage?Whatcanwedoathometoprotecttheenvironment?Weshouldreducethewasteweproduce.Forexample,weshouldu

sebothsidesofpaperandreuseplasticbags.Listento1aagainandanswerthequestions.(1)Whoisworkingforanorganizationthatprotectstheenvironment?Jane.(2)What

’shermainjob?Hermainjobistohelpspreadthemessageaboutprotectingtheenvironment.(3)Shouldweusebothsidesofpaper?Yes,wes

hould.(4)Whyistherecyclinguseful?Itcanprotecttheenvironment,anditcansavemoney,too.1bListento1aandcomplet

ethetable.AninterviewwithJanewhereJaneworksinan________________to______________________whatJaneisdoinghelping___

_____________aboutprotectingtheenvironmentwhatwecandoathome________________weproducewhatstudentscandoatschoolcollect__________andsoftdrinkcan

sorganizationprotecttheenvironmentspreadthemessagereducethewastewastepaperKeywords1.workforanorganization2.helpspreadthemessage3.thethreeR’s--

-reduce,reuseandrecycle4.reducethewaste5.reuseplasticbags6.recycle7.encouragesb.todosth.8.sortRetellit1cRead1aandcompletethesentences.1.The

threeR’s---______,______and_______---areimportant.2.Athome,wecan,forexample,useboth______ofpaperandreuse_____bags.3.Atschool,studentsareencouragedt

o_____wastepaperand______________becauserecyclingcanprotectthe____________and_______money.4.Thenwe_______them______theycanber

ecycled.reducereuserecyclesidesplasticcollectsoftdrinkcansenvironmentsavesortsothat•(1)Weshoulduseplasticbagsasfewaspossible.•(2)W

eshouldthrowthegarbageintheriver.•(3)Weshouldreducethewasteweproduce.•(4)Weshouldusebothsidesofpaper.•(5)Weshouldthrowtheplasticbagsrat

herthanreusethem.Youcannodorshakethehead!Noddingtheheadmeansagreement.Shakingtheheadmeansdisagreement.v.点头n.同意•(1)Younodyourhea

danditmeansagreement.•(2)Hurryup,oryou’llmissthetrain.•(3)Waterisimportantbutsomepeopledon’tsaveit.•(4)Somep

eopleprotectanimalswhileotherskillanimals.并列句连词or,and,but和while的用法①表示并列关系，用and…②表转折，用but,while…③表选择，用or…2Combinethesentenceswithor

,and,butorwhile,makingsomechangesifnecessary.•1.Noiseisakindofpollution.It’sharmfultoourhearing.Noiseisakindofpollutionand

it’sharmfultoourhearing.•2.Workhard.Youwillfailtheexam.Workhard,oryouwillfailtheexam.•3.Noddingtheheadmeansagreement.Shakingthe

headmeansdisagreement.Noddingtheheadmeansagreementwhile/butshakingtheheadmeansdisagreement.•4.Hurryup.Youwill

missthebus.Hurryup,oryouwillmissthebus.•5.Hehasfailedseveraltimes.Henevergivesup.Hehasfailedseveraltimes,buthenevergivesup.放弃3aReadthetable

andwritethecorrectletterundereachpicture.Thensortthegarbagebasedonyourownknowledge.papercupsglassbot

tlescansplasticbagsnewspapers3aReadthetableandwritethecorrectletterundereachpicture.Thensortthegarbagebasedonyourown

knowledge.TypeofgarbageRecycledReusedReducedplasticbagspapercupscansnewspapersglassbottles√√√√√3bListentotheconversationandcheckyou

ranswersin3a.Wow!We’vegotsomuchgarbage!Softdrinkcans,lunchboxes,plasticbottles,batteries,wastepaper,paperbagsandcups,…4Supposeyouwillh

aveaClean-upDay.Workingroupsandfindoutthegarbage.Thensortthembasedon3aandtalkaboutthem.A:Ithinklunchboxesshouldbere

used.B:Whataboutwastepaper?A:Ithink…Welearn:1.Somewords:nod,agreement2.Somephrases：giveup3.Somesentences:(1)Weshouldreducethew

asteweproduce.(2)Recyclingcanprotecttheenvironment,anditcansavemoney,too.Wecan:1.Usethecompoundsentenceswithor,a

nd,butandwhile.2.Talkaboutenvironmentalprotection.•Read1a.•Memorizetheusefulexpressionsandkeysentenceswhichwelearntoday.•FinishSectionAinyourwor

kbook.•PreviewSectionB.